Belt buckle



FIG. 1 is a front elevational view of a belt buckle showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof, the bottom plan view being a mirror image;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof; and

FIG. 6 is a top, front and side perspective view thereof, showing the buckle in an open position. 

The ornamental design for belt buckle, as shown and described. 